Accessible Widgets 3/4 (Class)
A presentation at John Slatin AccessU 2016 in in Austin, TX, USA by Eric Eggert
Accessible Widgets Part III Eric Eggert, Knowbility & W3C AccessU 2016, May 10th
Eric Eggert G e r m a n y 2 0 1 3 – 2 0 1 6 : W 3 C / W A I 2 0 1 6 – t o d a y : K n o w b i l i t y & W 3 C / W A I F e l l o w s h i p T r a n s l a I n g W C A G t o H u m a n .
Times Day & Time Room Presenter Topics May 9th, 10:15-11:45 JBWS 165 Patrick Fox Focus management, Announcing dynamic content, Tool Ips, Modal dialogs, Dynamic table filtering and sorIng May 9th, 4:00-5:30 JBWS 163 Eric Eggert Date picker, Time field, Combo box, Progress bar May 10th, 10:15-11:45 JBWS 163 Eric Eggert Slider, Accordion, Tabs, Alerts May 10th, 2:15-3:45 JBWS 163 Patrick Fox Eric Eggert Wizard progress indicator, File selector and upload, Form validaIon, Search by locaIon, Dynamic applicaIon page elements and flow
Slider, Accordion, Tabs, Alerts
Context
User Experience
Usability
To ARIA or not to ARIA?
- If you can use a na?ve HTML5 element or aEribute with the seman?cs and behaviour you require already built in, instead of re-purposing an element and adding an ARIA role, state or property to make it accessible , then do so.
- Do not change na?ve seman?cs, unless you really have to .
Example:
<h1 role="button">heading button</h1>
Example:
Example:
<h1><button>headingbutton</button></h1>
All interac?ve ARIA controls must be usable with the keyboard.
Example: I f using role=button the element must be able to receive focus and a user must be able to activate the action associated with the element using both the enter (on WIN OS) or return (MAC OS) and the space key.
Do not use role="presenta?on" or aria-hidden="true" on a visible focusable element .
All interac?ve elements must have an accessible name.
Slider
W3C WAI Tutorial w3.org/WAI/tutorials/carousel
Accordion
Accordion Example • h^p://www.oaa-accessibility.org/example/35/
• h^p://codepen.io/yaIl/full/PNVvLw/
Ta b s
ARIA Tabs h^p://codepen.io/jeffsmith/pen/YqrzOa/
non-ARIA Tabs h^p://codepen.io/jeffsmith/pen/mPByya/
Danger! ARIA tabs h^p://simplyaccessible.com/arIcle/danger-aria-tabs/
Alerts see h^ps://www.w3.org/WAI/tutorials/forms/ noIficaIons/
Sources: • Font: Lato • Skull: Created by Andrew Cameron, from the Noun Project
